Surveying The scale of the photography taken from a height of 300 m, with a camera of focal length 15 cm, is 1 : 10,000 1 : 20,000 1 : 15,000 1 : 30,000 1 : 10,000 1 : 20,000 1 : 15,000 1 : 30,000 ANSWER DOWNLOAD EXAMIANS APP
Surveying The net ground area of a vertical photograph 20 cm × 20 cm on scale 1 : 10,000 having overlaps 60% and 30%, is 0.56 sq km 0.50 sq km 0.60 sq km 0.64 sq km 0.56 sq km 0.50 sq km 0.60 sq km 0.64 sq km ANSWER DOWNLOAD EXAMIANS APP
Surveying The angle between the axis of earth and the vertical at the station of observation is called Co-declination of star Declination of star Astronomical co-latitude Astronomical latitude Co-declination of star Declination of star Astronomical co-latitude Astronomical latitude ANSWER DOWNLOAD EXAMIANS APP
Surveying Height of instrument method of levelling is more accurate than rise and fall method less accurate than rise and fall method quicker and less tedious for large number of intermediate sights None of these more accurate than rise and fall method less accurate than rise and fall method quicker and less tedious for large number of intermediate sights None of these ANSWER DOWNLOAD EXAMIANS APP
Surveying Equation of time which is the difference between apparent solar time and mean solar time at any instant, vanishes during one year Twice Four times Thrice Once Twice Four times Thrice Once ANSWER DOWNLOAD EXAMIANS APP
Surveying In the prismatic compass the line of the sight does not move with the box the magnetic needle and graduated circle do not move with the box the magnetic needle moves with the box the graduated circle is fixed to the box and the magnetic needle always remains in the N-S direction the line of the sight does not move with the box the magnetic needle and graduated circle do not move with the box the magnetic needle moves with the box the graduated circle is fixed to the box and the magnetic needle always remains in the N-S direction ANSWER DOWNLOAD EXAMIANS APP
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